Motorized back scrubber



FIG. 1 is a top front left perspective view of a motorized backscrubber;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The portions of the drawings shown in broken lines illustrateenvironmental structure that forms no part of the claimed design.

CLAIM I claim the ornamental design for a motorized back scrubber, asshown and described.